Drill adapter



FIG. 1 is a front elevational view of a drill adapter showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a side elevational view;

FIG. 4 is another side elevational view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view; and

FIG. 7 is a top perspective view thereof.

FIG. 7 has been drawn on a slightly enlarged scale with respect to FIGS. 1-6. 

The ornamental design for a drill adapter, as shown and described. 